ACTINOMYCOSIS. 



417 



Lebert bore in mind the possible existence of some helminthic debris, 

 of which these bodies might be hooklets, but he sought in vain for 

 echinococci and cysticerci. 



Actinomycotic pus was later described and figured by Robin. 

 In the illustration accompanying the description, the fungi are most 



Fig. 177.— Section of Livek fkom a Case oi' Actinomycosis in Man. 



accurately depicted. Eobin states that he had found, in two or 

 three cases in the pus of deep-seated chronic abscesses, yellowish grains 

 attaining a diameter of one-tenth of a mm., surrounded by a sort of 

 halo or thin, viscous, finely granular stratum, containing leucocytes. 

 These grains were composed of elements 2 to 6 mm. in length, swollen 



27 



